35mm Hinge Jig Drill Bits Sets Door Hinge Hole Saw Cutter Concealed Hinge Jig with Forstner Bits Positioner for Cabinet Hinge and Mounting Plate Description PLEASE NOTE:Do not put the drill bit through the blue positioner directly,firstly use the postitioner to mark the fix place with pen ,then use the drill to make holes High Quality: Concealed hinge jig is made of premium steel ,Perfect for standard 35mm concealed hinges,Especially designed to drill a hole on the door or desk gently and efficiently.Jig Drill Guide Set: The hinge jig can be adjusted for changes of door edge ,remove the dirty and debris quickly.This drill set is perfect for concealed hidden hinges and door locks. Package Included:1 x35mm Hinge Boring Jig1 x Forstner Bit Positioner 1 x Cutting head.Widely Application: Working efficiently for various drilling machines, such as drill press, gun drills,pistol drill, bench drill, vertical electric drills and so on.